Is your boiler making strange noises? producing a yellow flame or inadequate heating? boilers have been known to last for 30 years or more, but aren’t immune to problems with regular maintenance you’re boiler could last for years to come, avoiding a costly replacement or more expensive repair. A: express drainage solutions, 152 – 154 commercial road, staines-upon-thames, surrey, tw18 2qw. When you're in a heating jam, don't panic! d&g heating and cooling's hvac.